#test {
    width: 15%;
    margin-left: 1%;
}


#ip {
    text-align: right;
}

#tou {
    height: 10%;
    text-align: center;
    margin-bottom: 10%;
}

#xia {
    width: 100%;
    height: 100%;
}

#nei {
    width: 1200px;
    height: 600px;
}

#test a {
    text-decoration: none;
    color: white;
}

a:hover {
    color: #cccccc;
}